def test_histogram_horizontal():
bins, data = analysis.histogram_horizontal(sample_data_0,
num_bins=11,
min_bin=8.0,
max_bin=10.0)
nt.ok_(
np.allclose(
bins,
np.array([8., 8.2, 8.4, 8.6, 8.8, 9., 9.2, 9.4, 9.6, 9.8, 10.])))
nt.ok_(
np.allclose(data, np.array([3., 3., 3., 3., 1., 3., 1., 1., 1., 1.])))
bins, data = analysis.histogram_horizontal(sample_data_0, num_bins=10)
nt.ok_(
np.allclose(
bins,
np.array([
8., 8.22222222, 8.44444444, 8.66666667, 8.88888889, 9.11111111,
9.33333333, 9.55555556, 9.77777778, 10.
])))
nt.ok_(np.allclose(data, np.array([3., 3., 3., 3., 3., 1., 1., 1., 1.])))
bins, data = analysis.histogram_horizontal(sample_data_0,
num_bins=4,
min_bin=7.,
max_bin=10.)
nt.ok_(np.allclose(bins, np.array([7., 8., 9., 10.])))
nt.ok_(np.allclose(data, np.array([0., 3., 1.])))
bins, data = analysis.histogram_horizontal(sample_data_1,
num_bins=4,
min_bin=7.,
max_bin=10.)
nt.ok_(np.allclose(bins, np.array([7., 8., 9., 10.])))
nt.ok_(np.allclose(data, np.array([1., 3., 1.])))
def histogram_horizontal(ph,
new_fig=True,
subplot=False,
bins=100,
color='b',
alpha=0.7,
**kwargs):
'''Extracts and plots the binned histogram of a persistent
homology array.
'''
fig, ax = _cm.get_figure(new_fig=new_fig, subplot=subplot)
hist_data = analysis.histogram_horizontal(ph, num_bins=bins)
ax.fill_between(hist_data[0][:-1],
0,
hist_data[1],
color=color,
alpha=alpha)
return _cm.plot_style(fig=fig, ax=ax, **kwargs)